# Mask 1 — Readings where system status = Critical (code 2)
critical_status_mask = (status_codes == 2)

# Mask 2 — Readings where temperature exceeds threshold
high_temp_outlier_mask = (temperature_data > SEVERITY_THRESHOLD)

print(f”Critical status readings: {critical_status_mask.sum()}”)
print(f”High-temp outliers: {high_temp_outlier_mask.sum()}”)